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Cook, Dupage, Kane, Kendall, Lake and Will County Family Lawyer

Your family deserves a fair outcome — and a lawyer who fights for it.

Compassionate counsel. Decisive advocacy.

When your family's future is at stake, you deserve an attorney who combines legal precision with genuine care. O'Brien Family Law has guided thousands of families through their most challenging moments with clarity, strength, and purpose.

Skilled advocacy.
Honest counsel.
Real results.

"Protecting what matters most takes more than legal knowledge — it takes the judgment to know what's worth fighting for, and how."

Family law is rarely straightforward. Every case involves competing priorities — protecting your financial future, preserving your relationship with your children, and moving forward with as little disruption as possible. We help you navigate all of it with clarity.

At O'Brien Family Law, we take the time to understand your full picture before we map a path forward. That means honest advice about what Illinois law actually allows, realistic expectations about outcomes, and a strategy built around your priorities — not a one-size-fits-all playbook.

From dissolution of marriage and high-asset property division to parenting time, and post-judgment modifications — we handle each matter with the depth and attention it deserves.

Joe O'Brien

Founder & Principal Attorney · Licensed in Illinois

You'll work directly with an experienced attorney. Joe O'Brien personally handles every case from the first consultation through resolution, bringing both courtroom skill and a genuine commitment to guiding clients through one of the most challenging periods of their lives.

17+

Years in practice

Client Reviews

14

Practice Areas

What happens
after you reach out

01

Free Consultation

Schedule a no-obligation conversation — by phone or in person. No pressure, no legal jargon. Just a genuine conversation about your situation.

02

We Listen & Assess

We review your situation, explain your rights under Illinois law, and outline realistic options — including timelines and what to expect.

03

Strategy Built for You

We build a strategy around your goals — whether that's mediation, negotiation, or full litigation. Every case is different. Your approach should be too.

04

Resolution & Beyond

We guide you through to resolution and remain available for post-judgment modifications, enforcement, and whatever life brings next.

Start The Conversation

Let's talk about your situation

The first step is simply a conversation. We'll listen, explain your options clearly, and help you understand what's possible — with no obligation and no pressure.